Dwyer PFT系列叶轮流量传感器

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Dwyer PFT系列叶轮流量传感器

W.E.ANDERSON PFT插入式叶轮流量计用于监测从1-1/2到40"的管道中的液体流量,并可用于黄铜或316 SS阀体。该单元输出频率成比例的脉冲或4~20 mA的输出。脉冲模型为方波输出信号,频率与流速成正比,4~20mA模型的输出速度为4 mA=0 ft/s,20 mA为25 ft/s。

无磁传感,1-1/2~40“(38.1~1016毫米)管道可调,脉冲或4-20mA

介质:水基液体

范围:1.2-25 ft/s (0.37-7.62 m/s).

接液材质:阀体和配件:黄铜或316不锈钢;O形环:FKM标准,硅酮或Buna-N可选;叶轮:316 SS;轴:碳化钨标准或316 SS可选;轴承:PTFE标准

线性:±1.0% of FS.

重复性:±0.5% of FS.

温度限制:-40~212°F (-40~100°C).

耐压:400 psig (27.6 bar) @ 100°F (37.8°C), 325 psig (22.4 bar) @ 212°F (100°C).

过程连接:标准1-1/2" NPT外螺纹, 2" NPT外螺纹可选.

输出:> 脉冲:NPN开式收集器,输出方波,额定电压为60V@50 mA,频率:3.2~200 Hz。脉宽:2.5msec±25%。4~20 mA:4mA为0英尺/秒,20 mA为25英尺/秒

电源:10-35 VDC.

功耗:40 mA (max).

电气连接:22 AWG屏蔽UL型PTLC额定105°C,20’(6.1米)长的电缆腺。可扩展到2000’(609米)与类似的电缆。可选UL列埋电缆.

封装:NEMA 6P (IP67) *.

外壳材质:黄铜或316 SS.

重量:3 lb. (1.36 kg).

认证:CE.

选型表

EXAMPLEPFTIDNB111SSTSeries PFT-IDN-B111-S-ST Insertion Paddlewheel Flow Sensor, pulse output, brass body, 1-1/2" male NPT connection, FKM o' ring, tungsten-carbide shaft, PTFE bearing, with stainless steel tag..
SERIESPFT







Paddlewheel Flow Sensor
STYLE
I






Insertion
OUTPUT

D
A






600UA/40MA 2.5MS Pulse
Analog 4-20 mA Transmitter
APPROVALS


N




None
BODY MATERIAL
& MOUNTING




B1
B2
B3
B4
S1
S2
S3
S4




Brass 1-1/2" NPTM Mounting
Brass 2" NPTM Mounting
Brass 1-1/2" Male BSPT Mounting
Brass 2" Male BSPT Mounting
316SS 1-1/2" NPTM Mounting
316SS 2" NPTM Mounting
316SS 1-1/2" Male BSPT Mounting
316SS 2" Male BSPT Mounting
O' RING MATERIAL




1
2
3



FKM Fluoroelastomer
Silicone (FDA Approved)
Buna-N
WETTED MATERIALS





1
2


Tungsten-Carbide Shaft, 316SS Impeller, PTFE Bearing
316SS Shaft, 316SS Impeller, PTFE Bearing
ELECTRICAL CONNECTION






S
B

22 GA Shielded Wire, 20 ft.
18 GA UL Listed Burial Rated, 4 ft.
OPTIONS







STStainless Steel Tag



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